/*
 *******************************************************************************
 *
 * Copyright (c) 2016-2017 Advanced Micro Devices, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ******************************************************************************/

/**
***********************************************************************************************************************
* @file  etwClient.h
* @brief Class declaration for ETWClient.
***********************************************************************************************************************
*/

#pragma once

#include "baseProtocolClient.h"
#include "protocols/etwProtocol.h"

namespace DevDriver
{
    class IMsgChannel;

    namespace ETWProtocol
    {
        enum class SessionState
        {
            Idle = 0,
            Tracing,
            Waiting,
            Receiving,
        };

        class ETWClient : public BaseProtocolClient
        {
        public:
            explicit ETWClient(IMsgChannel* pMsgChannel);
            ~ETWClient();
            Result EnableTracing(ProcessId processId);
            Result DisableTracing(size_t *pNumEvents);
            Result GetTraceData(GpuEvent *buffer, size_t numEvents);
        private:
            void ResetState() override;
            SessionState m_sessionState;
        };

    }
} // DevDriver
